Depends on what you want to do. Maybe use one network or assign static addresses. Here's a post on /120 networks: https://blog.ipspace.net/2011/05/ipv6-neighbor

Depends on what you want to do. Maybe use one network or assign static addresses. Here's a post on /120 networks: https://blog.ipspace.net/2011/05/ipv6-neighbor-discovery-exhaustion.html https://blog.ipspace.net/2011/05/ipv6-neighbor-discovery-exh...